# print(type("18"))
# print(type('18'))

st = """
这是一个数据
"""
# print(st)
# print(type(st))
# 如果三引号赋值给了变量那么这个变量就是一个字符串
"""

"""
# 如果三引号前面什么都没有那么这就是一个多行注释
# print("hello"+" "+"world")  # +在字符串和字符串之间起到了拼接的作用    昨天说到 拼接跟格式化输出两种
# print("hello "*5)  # *在字符串起到了重复输出的作用

# st2 = "hello"
# 判断e是否在st2里面
# print("a" in st2)  # in在 在就返回True，不在就返回False
#
# print("l" not in st2)  # not in不在 不在就返回True，在就返回False

#实用性：假如有一段文字 问里面有没有这个内容的时候 怎么去做  看ppt

a="""
It's spring now. The weather is warm and comfortable. It's a good time for hiking. Therefore, my teacher organized a climbing for us. There is a beautiful mountain in my city and it's target this time. We took bus there and arrived there at 9 p.m.. After we took off the bus, we started to climb. The mountain is high but the scenery is beautiful. We are so excited that we climbed fast at first. But after a while, some of us were tired,especially girls. They did not want to go on anymore. But some others encouraged and helped them. All of us slowed down our speed, so that no one was left behind. About 11:00 p.m., we got to the top of the mountain. We were so happy that we did it. We feel that all the tiredness were worth it.
"""
print("swimming" in a)